hip-21763

Variable star

Its story

54 Eridani is an M-type red giant whose light beats with quiet variations, the surface signature of pulsations deep within its swollen atmosphere. It glows from roughly 369 light-years away, adrift in the meandering current that traces the river Eridanus south of Orion. The light reaching us tonight broke free when late-medieval embers were still warm —a coppery pulse that has travelled in silence for centuries.

Constellation: Eridanus
Apparent magnitude: 4.32
Distance: 368.6 light years
Coordinates (J2000): RA 70.110° · Dec -19.671°
Catalogue: HIP 21763 · HD 29755

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Symbolic commemorative gift — no ownership, no IAU recognition.